Originally Posted by tj_in_kc
Pretty sure that boat doesn't have a kill switch!
Actually, believe it or not they do still have a kill switch... that would be the first thing I would troubleshoot along with making sure it is in nuetral. Assuming he has the MTC (I think 2010 also has keyless ignition with no MTC), if the screen is responding to all other functions I would bet its one of these two items.
Also, might want to try turning the ignition completely on and off if these other two items dont seem to work.